GeForce 9500 GT DDR2 vs Radeon R7 250

Intro

Compare those specs to the Radeon R7 250, which features GPU clock speed of 1000 MHz, and 1024 MB of GDDR5 memory running at 1150 MHz through a 128-bit bus. It also is comprised of 384 Stream Processors, 24 Texture Address Units, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT DDR2		50 Watts
Radeon R7 250		65 Watts
	Difference: 15 Watts (30%)

Memory Bandwidth

Performance-wise, the Radeon R7 250 should in theory be much superior to the GeForce 9500 GT DDR2 overall. (explain)

Radeon R7 250		73600 MB/sec
GeForce 9500 GT DDR2		16000 MB/sec
	Difference: 57600 (360%)

Texel Rate

The Radeon R7 250 is much (approximately 173%) better at AF than the GeForce 9500 GT DDR2. (explain)

Radeon R7 250		24000 Mtexels/sec
GeForce 9500 GT DDR2		8800 Mtexels/sec
	Difference: 15200 (173%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R7 250 is the winner, by a large margin. (explain)

Radeon R7 250		8000 Mpixels/sec
GeForce 9500 GT DDR2		4400 Mpixels/sec
	Difference: 3600 (82%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Specifications

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the interface width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.